SB2025091739 - Resource management error in Linux kernel ext4
Published: September 17, 2025 Updated: September 22, 2025
Security Bulletin ID
SB2025091739
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Resource management error (CVE-ID: CVE-2023-53317)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to resource management error within the ext4_get_group_desc() and ext4_validate_block_bitmap() functions in fs/ext4/balloc.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/1b90fbc7590124c57a2e590de7fd07eba26606f1
- https://git.kernel.org/stable/c/5d356d902e9d5b1aaaaf2326d365340fa8a90c1b
- https://git.kernel.org/stable/c/775b00ba23f6f916fe2ac60c5ff7fd0fe4f28d0d
- https://git.kernel.org/stable/c/d55e76e11592a1d18a179c7fd34ca1b52632beb3
- https://git.kernel.org/stable/c/dba62fa84a8eac44a53a2862de8a40e5bdfa0ae3
- https://git.kernel.org/stable/c/dd45e536f47a82e0a405f9a4b6c7ceb367171ee9
- https://git.kernel.org/stable/c/e4d503c956a744cb59e509ca5f134cfad423c7a3
- https://git.kernel.org/stable/c/fa08a7b61dff8a4df11ff1e84abfc214b487caf7
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.283
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.180
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.112
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.243
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.29
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.16
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.4